diff --git a/Cargo.lock b/Cargo.lock
index da5094f..f69f3c2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -156,9 +156,9 @@ dependencies = [
 
 [[package]]
 name = "askama_web"
-version = "0.14.6"
+version = "0.14.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "50dcd7d2caaff31b91ef5d112ed10416344e23a33db9e7eea7ba695d2a97a88a"
+checksum = "e1acadd534892f9ef8c3809b47997e3cd857fad735edceff77a88be1c8236920"
 dependencies = [
  "askama",
  "askama_web_derive",
@@ -1641,7 +1641,7 @@ dependencies = [
 [[package]]
 name = "ical"
 version = "0.11.0"
-source = "git+https://github.com/lennart-k/ical-rs#f897c0b3e3b3ac502970234dea8cdd214fba9648"
+source = "git+https://github.com/lennart-k/ical-rs#8698980a24cbf5dbf711f3edbb8a3ea9540b89eb"
 dependencies = [
  "chrono",
  "chrono-tz",
@@ -1791,14 +1791,15 @@ checksum = "c8fae54786f62fb2918dcfae3d568594e50eb9b5c25bf04371af6fe7516452fb"
 
 [[package]]
 name = "insta"
-version = "1.44.3"
+version = "1.45.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b5c943d4415edd8153251b6f197de5eb1640e56d84e8d9159bea190421c73698"
+checksum = "b76866be74d68b1595eb8060cb9191dca9c021db2316558e52ddc5d55d41b66c"
 dependencies = [
  "console",
  "once_cell",
  "regex",
  "similar",
+ "tempfile",
 ]
 
 [[package]]
@@ -3101,7 +3102,7 @@ dependencies = [
  "serde",
  "sqlx",
  "tokio",
- "toml 0.9.9+spec-1.0.0",
+ "toml 0.9.10+spec-1.1.0",
  "tower",
  "tower-http",
  "tower-sessions",
@@ -4033,6 +4034,19 @@ dependencies = [
  "syn 2.0.111",
 ]
 
+[[package]]
+name = "tempfile"
+version = "3.23.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2d31c77bdf42a745371d260a26ca7163f1e0924b64afa0b688e61b5a9fa02f16"
+dependencies = [
+ "fastrand",
+ "getrandom 0.3.4",
+ "once_cell",
+ "rustix",
+ "windows-sys 0.61.2",
+]
+
 [[package]]
 name = "thiserror"
 version = "1.0.69"
@@ -4215,14 +4229,14 @@ dependencies = [
 
 [[package]]
 name = "toml"
-version = "0.9.9+spec-1.0.0"
+version = "0.9.10+spec-1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eb5238e643fc34a1d5d7e753e1532a91912d74b63b92b3ea51fde8d1b7bc79dd"
+checksum = "0825052159284a1a8b4d6c0c86cbc801f2da5afd2b225fa548c72f2e74002f48"
 dependencies = [
  "indexmap 2.12.1",
  "serde_core",
  "serde_spanned 1.0.4",
- "toml_datetime 0.7.4+spec-1.0.0",
+ "toml_datetime 0.7.5+spec-1.1.0",
  "toml_parser",
  "toml_writer",
  "winnow",
@@ -4239,9 +4253,9 @@ dependencies = [
 
 [[package]]
 name = "toml_datetime"
-version = "0.7.4+spec-1.0.0"
+version = "0.7.5+spec-1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe3cea6b2aa3b910092f6abd4053ea464fab5f9c170ba5e9a6aead16ec4af2b6"
+checksum = "92e1cfed4a3038bc5a127e35a2d360f145e1f4b971b551a2ba5fd7aedf7e1347"
 dependencies = [
  "serde_core",
 ]
@@ -4267,16 +4281,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "84c8b9f757e028cee9fa244aea147aab2a9ec09d5325a9b01e0a49730c2b5269"
 dependencies = [
  "indexmap 2.12.1",
- "toml_datetime 0.7.4+spec-1.0.0",
+ "toml_datetime 0.7.5+spec-1.1.0",
  "toml_parser",
  "winnow",
 ]
 
 [[package]]
 name = "toml_parser"
-version = "1.0.5+spec-1.0.0"
+version = "1.0.6+spec-1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c03bee5ce3696f31250db0bbaff18bc43301ce0e8db2ed1f07cbb2acf89984c"
+checksum = "a3198b4b0a8e11f09dd03e133c0280504d0801269e9afa46362ffde1cbeebf44"
 dependencies = [
  "winnow",
 ]
@@ -4289,9 +4303,9 @@ checksum = "5d99f8c9a7727884afe522e9bd5edbfc91a3312b36a77b5fb8926e4c31a41801"
 
 [[package]]
 name = "toml_writer"
-version = "1.0.5+spec-1.0.0"
+version = "1.0.6+spec-1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a9cd6190959dce0994aa8970cd32ab116d1851ead27e866039acaf2524ce44fa"
+checksum = "ab16f14aed21ee8bfd8ec22513f7287cd4a91aa92e44edfe2c17ddd004e92607"
 
 [[package]]
 name = "tonic"
@@ -4458,9 +4472,9 @@ dependencies = [
 
 [[package]]
 name = "tracing"
-version = "0.1.43"
+version = "0.1.44"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2d15d90a0b5c19378952d479dc858407149d7bb45a14de0142f6c534b16fc647"
+checksum = "63e71662fa4b2a2c3a26f570f037eb95bb1f85397f3cd8076caed2f026a6d100"
 dependencies = [
  "log",
  "pin-project-lite",
@@ -4481,9 +4495,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-core"
-version = "0.1.35"
+version = "0.1.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a04e24fab5c89c6a36eb8558c9656f30d81de51dfa4d3b45f26b21d61fa0a6c"
+checksum = "db97caf9d906fbde555dd62fa95ddba9eecfd14cb388e4f491a66d74cd5fb79a"
 dependencies = [
  "once_cell",
  "valuable",
diff --git a/crates/caldav/src/calendar/methods/get.rs b/crates/caldav/src/calendar/methods/get.rs
index 499a369..9a09beb 100644
--- a/crates/caldav/src/calendar/methods/get.rs
+++ b/crates/caldav/src/calendar/methods/get.rs
@@ -36,7 +36,7 @@ pub async fn route_get<C: CalendarStore, S: SubscriptionStore>(
     let mut vtimezones = HashMap::new();
     let objects = cal_store.get_objects(&principal, &calendar_id).await?;
 
-    let mut ical_calendar_builder = IcalCalendarBuilder::version("4.0")
+    let mut ical_calendar_builder = IcalCalendarBuilder::version("2.0")
         .gregorian()
         .prodid("RustiCal");
     if let Some(displayname) = calendar.meta.displayname {
@@ -65,30 +65,24 @@ pub async fn route_get<C: CalendarStore, S: SubscriptionStore>(
         vtimezones.extend(object.get_vtimezones());
         match object.get_data() {
             CalendarObjectComponent::Event(EventObject { event, .. }, overrides) => {
-                ical_calendar_builder = ical_calendar_builder.add_event(event.clone());
-                for ev_override in overrides {
-                    ical_calendar_builder =
-                        ical_calendar_builder.add_event(ev_override.event.clone());
-                }
+                ical_calendar_builder = ical_calendar_builder
+                    .add_event(event.clone())
+                    .add_events(overrides.iter().map(|ev| ev.event.clone()));
             }
             CalendarObjectComponent::Todo(todo, overrides) => {
-                ical_calendar_builder = ical_calendar_builder.add_todo(todo.clone());
-                for ev_override in overrides {
-                    ical_calendar_builder = ical_calendar_builder.add_todo(ev_override.clone());
-                }
+                ical_calendar_builder = ical_calendar_builder
+                    .add_todo(todo.clone())
+                    .add_todos(overrides.iter().cloned());
             }
             CalendarObjectComponent::Journal(journal, overrides) => {
-                ical_calendar_builder = ical_calendar_builder.add_journal(journal.clone());
-                for ev_override in overrides {
-                    ical_calendar_builder = ical_calendar_builder.add_journal(ev_override.clone());
-                }
+                ical_calendar_builder = ical_calendar_builder
+                    .add_journal(journal.clone())
+                    .add_journals(overrides.iter().cloned());
             }
         }
     }
 
-    for vtimezone in vtimezones.into_values() {
-        ical_calendar_builder = ical_calendar_builder.add_tz(vtimezone.to_owned());
-    }
+    ical_calendar_builder = ical_calendar_builder.add_timezones(vtimezones.into_values().cloned());
 
     let ical_calendar = ical_calendar_builder
         .build()